Across the board, this year’s commencement speakers are leaders in their fields, from business to politics to entertainment. Perhaps the biggest speaker this year is United States President Barack Obama, who will address the University of California, Irvine this June.

We’ve rounded up some of the most notable speakers below, and will continue to update this list as more are announced:

University of California, Irvine — President Barack Obama

Cornell University — Actor Ed Helms

Duke University — Chairman of the Joint Chiefs of Staff General Martin E. Dempsey